Casper Area Chamber of Commerce (en-US) To advance, connect, and promote our members and communities. For over 115 years, Casper Chamber of Commerce has been the voice of business in Casper, Wyoming.
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Rocky Mountain Power

  • Public Utilities
2840 E. Yellowstone Hwy
Casper, WY 82609-1854
(307) 577-6913
(888) 221-7070
(307) 261-7067 (fax)
Hours:
Always Open
  • About

    Our company dates back to 1881, when Salt Lake City became the fifth city in the world to have central station electricity. Utah Power & Light (UP&L) was formed in 1912 from several small electric companies in Utah, Idaho and western Colorado.

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